Objects in the image:
category: sports ball
category: sports ball
category: sports ball
category: sports ball
category: tennis racket
category: sports ball
category: sports ball
category: sports ball
category: sports ball
category: sports ball
category: sports ball
category: person
category: sports ball
category: sports ball
category: sports ball

Guessing-game dialogue about one of the objects:
q: is it the person?
a: No
q: is it the racquet?
a: No
q: is it the ball?
a: Yes
q: is it on the right?
a: No
q: is something written on it?
a: No
q: is it under the racquet?
a: No
q: is it in front?
a: No
q: is it at the back?
a: Yes
q: is it on the left?
a: No
q: is it in center?
a: Yes
q: is it touching the racquet?
a: Yes
q: is it on the center of the racquet?
a: No
q: is it on the bottom of the racquet?
a: Yes
q: is it near the handle of the racquet?
a: N/A
q: is it on top of the pile?
a: Yes
q: is it behind the trolley?
a: No
q: is anything written on the ball?
a: Yes
q: is it also red and black?
a: Yes